Finding the Fourth Proportional to 1,983,966.10, 2,738,087.27 and 1,124,434.09
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Solution
The fourth proportional to 1,983,966.10, 2,738,087.27 and 1,124,434.09 is: 1,551,840.36
Step by Step Solution
- Step 1: Write the proportion equation
1,983,966.10 : 2,738,087.27 = 1,124,434.09 : x - Step 2: Convert to fraction form
1,983,966.10/2,738,087.27 = 1,124,434.09/x - Step 3: Cross multiply
1,983,966.10x = 2,738,087.27 × 1,124,434.09 - Step 4: Simplify right side
1,983,966.10x = 3,078,798,661,996.63 - Step 5: Solve for x
x = 3,078,798,661,996.63/1,983,966.10 - Step 6: Final answer
x = 1,551,840.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.